<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <!--  -->
    <script>
        function getData(data) {
            console.log("-------", data);
        }
    </script>
    <script src="http://localhost:8080/user?cb=getData">
        
    </script>
</body>
</html>